diff --git a/extensions/bintools/CallWrapper.cpp b/extensions/bintools/CallWrapper.cpp
index 8437a643..d13eff6c 100644
--- a/extensions/bintools/CallWrapper.cpp
+++ b/extensions/bintools/CallWrapper.cpp
@@ -68,6 +68,11 @@ CallWrapper::~CallWrapper()
 	g_SPEngine->ExecFree(m_Addrs[ADDR_CODEBASE]);
 }
 
+void CallWrapper::Destroy()
+{
+	delete this;
+}
+
 CallConvention CallWrapper::GetCallConvention()
 {
 	return m_Cv;
diff --git a/extensions/bintools/CallWrapper.h b/extensions/bintools/CallWrapper.h
index df880b23..d349a969 100644
--- a/extensions/bintools/CallWrapper.h
+++ b/extensions/bintools/CallWrapper.h
@@ -49,6 +49,7 @@ public: //ICallWrapper
 	const PassInfo *GetReturnInfo();
 	unsigned int GetParamCount();
 	void Execute(void *vParamStack, void *retBuffer);
+	void Destroy();
 public:
 	inline void deleteThis() { delete this; }
 	void *m_Addrs[4];
diff --git a/public/extensions/IBinTools.h b/public/extensions/IBinTools.h
index a18affea..34fceeeb 100644
--- a/public/extensions/IBinTools.h
+++ b/public/extensions/IBinTools.h
@@ -22,7 +22,7 @@
 #include <IShareSys.h>
 
 #define SMINTERFACE_BINTOOLS_NAME		"IBinTools"
-#define SMINTERFACE_BINTOOLS_VERSION	1
+#define SMINTERFACE_BINTOOLS_VERSION	2
 
 /**
  * @brief Function calling encoding utilities
@@ -105,13 +105,23 @@ namespace SourceMod
 
 		/**
 		 * @brief Returns the number of parameters.
+		 *
+		 * @return				Number of parameters.
 		 */
 		virtual unsigned int GetParamCount() =0;
 
 		/**
 		 * @brief Execute the contained function.
+		 *
+		 * @param vParamStack	A blob of memory containing stack data.
+		 * @param retBuffer		Buffer to store return value.
 		 */
 		virtual void Execute(void *vParamStack, void *retBuffer) =0;
+
+		/**
+		 * @brief Destroys all resources used by this object.
+		 */
+		virtual void Destroy() =0;
 	};
 
 	/**